<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JS实验</title>
</head>
<body>
    <div>
        <a href="https://nodejs.org/en/">NodeJS官网</a>
    </div>
    <div id="show_div" style="color: red;">

    </div>

    <script src="../../js/demo.js"></script>
    <script>
        // document.write('Hello World!');

        // alert('hello world');

        console.log('Hello world!');

        // document.getElementById('show_div').innerHTML = "Hello World!!";

    </script>
</body>
</html>